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12.09.2018 | Clinical Study

Clinical and prognostic features of spinal meningioma: a thorough analysis from a single neurosurgical center

Zeitschrift:
Journal of Neuro-Oncology
Autoren:
Lingyang Hua, Hongda Zhu, Jiaojiao Deng, Mi Tian, Xuewei Jiang, Hailiang Tang, Shihai Luan, Hiroaki Wakimoto, Qing Xie, Ye Gong
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s11060-018-2993-3) contains supplementary material, which is available to authorized users.
Lingyang Hua and Hongda Zhu have contributed equally to this work.

Abstract

Purpose

The aim of this study was to thoroughly analyze the clinical characteristics of a large cohort of spinal meningioma (SM) from a single neurological center and identify risk factors associated with worse progression free survival and neurological function outcome.

Methods

Clinical information was retrieved from 483 SM and 9806 cranial meningioma cases who were operated in our center between 2003 and 2013. 194 SM patients who were followed at the main branch were used for prognostic analyses that included both recurrence free survival and neurological functions based on Modified McCormick scale (MMS).

Results

Females were predominant (P < 0.001). High grade tumors were not common (WHO grade II, 2.9%; grade III, 1.7%), while the clear cell subtype was frequent within grade II SMs (6/14, 42.9%). Macroscopic total resection was achieved in all SMs (Simpson grade I, 30.9%; grade II, 65.5%; grade III, 3.6%) with a low complications rate (4.6%) and provided neurological improvement in 80 patients (41.2%). Recurrence was seen in 9 cases (4.6%) and associated with high WHO grade, male, prior recurrence, and Simpson grade III. High WHO grade and high Ki-67 index were identified to be independent factors predictive of both neurological function deterioration and impaired post-operative neurological status.

Conclusions

Our analysis of the largest SM cohort in scale from a single institution offers a comprehensive view of the clinical characteristics of surgically treated SM, revealing the distinct biology of SM in comparison to its cranial counterparts, and providing guidance to improve surgical management of SM.

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Zusatzmaterial
Supplementary Fig 1. Sagittal location of SM in the initial cohort. (TIF 101632 KB)
11060_2018_2993_MOESM1_ESM.tif
Supplementary Fig 2. Pathological distribution of SM based on gender in the initial cohort. (TIF 35582 KB)
11060_2018_2993_MOESM2_ESM.tif
Literatur
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